42987700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:342

約数の個数: 108

約数和(自身を含む): 112409472

約数和(自身を除く): 69421772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 124, 140, 155, 175, 196, 217, 245, 283, 310, 350, 434, 490, 566, 620, 700, 775, 868, 980, 1085, 1132, 1225, 1415, 1519, 1550, 1981, 2170, 2450, 2830, 3038, 3100, 3962, 4340, 4900, 5425, 5660, 6076, 7075, 7595, 7924, 8773, 9905, 10850, 13867, 14150, 15190, 17546, 19810, 21700, 27734, 28300, 30380, 35092, 37975, 39620, 43865, 49525, 55468, 61411, 69335, 75950, 87730, 99050, 122822, 138670, 151900, 175460, 198100, 219325, 245644, 277340, 307055, 346675, 429877, 438650, 614110, 693350, 859754, 877300, 1228220, 1386700, 1535275, 1719508, 2149385, 3070550, 4298770, 6141100, 8597540, 10746925, 21493850, 42987700]

約数ペア:

[(1, 42987700), (2, 21493850), (4, 10746925), (5, 8597540), (7, 6141100), (10, 4298770), (14, 3070550), (20, 2149385), (25, 1719508), (28, 1535275), (31, 1386700), (35, 1228220), (49, 877300), (50, 859754), (62, 693350), (70, 614110), (98, 438650), (100, 429877), (124, 346675), (140, 307055), (155, 277340), (175, 245644), (196, 219325), (217, 198100), (245, 175460), (283, 151900), (310, 138670), (350, 122822), (434, 99050), (490, 87730), (566, 75950), (620, 69335), (700, 61411), (775, 55468), (868, 49525), (980, 43865), (1085, 39620), (1132, 37975), (1225, 35092), (1415, 30380), (1519, 28300), (1550, 27734), (1981, 21700), (2170, 19810), (2450, 17546), (2830, 15190), (3038, 14150), (3100, 13867), (3962, 10850), (4340, 9905), (4900, 8773), (5425, 7924), (5660, 7595), (6076, 7075)]